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Katherine Duncan

— year-end
17 matches · 10W–7L · seasons 2024–2026

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Match history17 matches
W
2026-04-08 · Williamson/18/3.0/NON/NOCC · #2 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
6-0, 6-2
W
2026-03-31 · Williamson/18/3.0/NON/NOCC · #1 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
6-0, 6-3
W
2026-03-03 · Williamson/18/3.0/NON/NOCC · #3 Doubles · 3.0 · with Robin Williamson
expectation pending — we’re still fetching an opponent’s record
7-5, 5-7, 1-0
W
2026-02-04 · Williamson/18/3.0/NON/NOCC · #1 Doubles · 3.0 · with Robin Williamson
expectation pending — we’re still fetching an opponent’s record
6-1, 6-1
L
2025-09-23 · Williamson/18/5.5/NOCC · #1 Doubles · 5.5 · with Louise Smallpage
expectation pending — we’re still fetching an opponent’s record
3-6, 7-5, 1-0
W
Susan Kurtz / Hellen Cappo
2025-09-03 · Williamson/18/5.5/NOCC · #1 Doubles · 5.5 · with Robin Williamson
expectation pending — we’re still fetching an opponent’s record
6-1, 7-5
L
2025-04-22 · Williamson/18/3.0/NON/NOCC · #1 Doubles · 3.0 · with Lydia Butler
expectation pending — we’re still fetching an opponent’s record
1-6, 1-6
W
2025-04-08 · Williamson/18/3.0/NON/NOCC · #2 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
6-3, 6-4
L
2025-04-01 · Williamson/18/3.0/NON/NOCC · #2 Doubles · 3.0 · with Louise Smallpage
expectation pending — we’re still fetching an opponent’s record
4-6, 6-4, 0-1
W
Kathleen Allen / Margarita Rivera
2025-03-24 · Williamson/18/3.0/NON/NOCC · #2 Doubles · 3.0 · with Caroline Eagan
expectation pending — we’re still fetching an opponent’s record
6-0, 6-2
L
2025-03-20 · Williamson/18/3.0/NON/NOCC · #2 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
3-6, 4-6
W
2025-03-12 · Williamson/18/3.0/NON/NOCC · #1 Doubles · 3.0 · with Amy Rougelot
expectation pending — we’re still fetching an opponent’s record
6-4, 6-0
Teams5 teams · 2024–2026
Over timerating by season, and how you rank
By level2 levels played
3.0
70%
7W–3L · 60.8% of games
5.5
42.9%
3W–4L · 56.1% of games

Games won matters more than matches won — NTRP adjusts on margins.

By lineusually #1 Doubles, 41% of the time
#1 Doubles
41%
7 matches
#2 Doubles
24%
4 matches
#2 Singles
18%
3 matches
#3 Doubles
12%
2 matches
#1 Singles
6%
1 match

How often, across every team and every match we hold — including ones that do not count toward a rating. Advanced stats has a court-position table too, and it answers a different question: how well you do there, over matches that count. A team’s own page shows how that one team uses you.

Not affiliated with or endorsed by the USTA. Ratings labelled as published are USTA year-end figures; anything we describe as an estimate is ours, not USTA’s. Match data is from USTA TennisLink.

What matters isn’t how well you play when you’re playing well. What matters is how well you play when you’re playing badly.
Martina Navratilova